Santa Uxía Hydro Plant (IMAGE) University of the Basque Country Caption The possibilities offered by hydraulic energy to ensure security of electricity supply are being studied in depth. Credit Diego Cervo / Stockfresh Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.